DIN EN 352-9:2021
听力保护器. 安全要求. 第9部分: 具有安全相关音频输入的耳塞; 德文版 EN 352-9-2020
Hearing protectors - Safety requirements - Part 9: Earplugs with safety-related audio input; German version EN 352-9:2020
- 标准号
- DIN EN 352-9:2021
- 发布
- 2021年
- 发布单位
- 德国标准化学会
- 替代标准
- DIN EN 352-9:2017
- 当前最新
- DIN EN 352-9:2017
- 适用范围
- This document is applicable to earplugs supplemented by a safety-related audio input. The audio signal can be transmitted by electrical input or other communication like Bluetooth. It specifies requirements on construction, design, performance, marking and user information relate